rs761921681
Variant summary
Our verdict is Likely benign. The variant received -3 ACMG points: 0P and 3B. BP4_ModerateBS1_Supporting
The NM_016169.4(SUFU):c.43C>A(p.Pro15Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000497 in 1,569,828 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P15A) has been classified as Uncertain significance.
Frequency
Consequence
NM_016169.4 missense
Scores
Clinical Significance
Conservation
Publications
- medulloblastomaInheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), ClinGen
- nevoid basal cell carcinoma syndromeInheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Illumina, Genomics England PanelApp
- basal cell nevus syndrome 2Inheritance: AD Classification: STRONG Submitted by: G2P
- ocular motor apraxia, Cogan typeInheritance: AD Classification: STRONG Submitted by: Franklin by Genoox
- Joubert syndrome 32Inheritance: AR Classification: STRONG, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics
- Joubert syndromeInheritance: AR, AD Classification: MODERATE, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics
- apraxiaInheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
- ciliopathyInheritance: AR Classification: LIMITED Submitted by: ClinGen
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ACMG classification
Our verdict: Likely_benign. The variant received -3 ACMG points.
Transcripts
RefSeq
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| SUFU | ENST00000369902.8 | c.43C>A | p.Pro15Thr | missense_variant | Exon 1 of 12 | 1 | NM_016169.4 | ENSP00000358918.4 | ||
| SUFU | ENST00000423559.2 | c.43C>A | p.Pro15Thr | missense_variant | Exon 1 of 10 | 1 | ENSP00000411597.2 | |||
| SUFU | ENST00000369899.6 | c.43C>A | p.Pro15Thr | missense_variant | Exon 1 of 11 | 1 | ENSP00000358915.2 |
Frequencies
GnomAD3 genomes AF: 0.0000460 AC: 7AN: 152144Hom.: 0 Cov.: 33 show subpopulations
GnomAD2 exomes AF: 0.0000170 AC: 3AN: 176570 AF XY: 0.0000308 show subpopulations
GnomAD4 exome AF: 0.0000501 AC: 71AN: 1417684Hom.: 0 Cov.: 46 AF XY: 0.0000342 AC XY: 24AN XY: 701814 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000460 AC: 7AN: 152144Hom.: 0 Cov.: 33 AF XY: 0.0000404 AC XY: 3AN XY: 74328 show subpopulations ⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.
Age Distribution
ClinVar
Submissions by phenotype
Joubert syndrome 32 Uncertain:1
This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868]. -
Gorlin syndrome;C0025149:Medulloblastoma Uncertain:1
This sequence change replaces proline, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 15 of the SUFU protein (p.Pro15Thr). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This variant has not been reported in the literature in individuals affected with SUFU-related conditions. ClinVar contains an entry for this variant (Variation ID: 453965). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -
Familial meningioma Uncertain:1
- -
not provided Uncertain:1
Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -
Hereditary cancer-predisposing syndrome Uncertain:1
The p.P15T variant (also known as c.43C>A), located in coding exon 1 of the SUFU gene, results from a C to A substitution at nucleotide position 43. The proline at codon 15 is replaced by threonine, an amino acid with highly similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at